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authorInaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>2008-09-17 16:34:06 +0100
committerDavid Vrabel <dv02@dv02pc01.europe.root.pri>2008-09-17 16:54:23 +0100
commit183b9b592a622a7719ee38e275fd7ff3aaf74d0d (patch)
tree53bf5c09cd8e3ba85b4b8711ac69ff02141c8727 /drivers/uwb/pal.c
parent34e95e41f1fd751e33a7eb3fa66594903b81f13d (diff)
uwb: add the UWB stack (core files)
UWB device and radio controller device and event management. Signed-off-by: David Vrabel <david.vrabel@csr.com>
Diffstat (limited to 'drivers/uwb/pal.c')
-rw-r--r--drivers/uwb/pal.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
new file mode 100644
index 000000000000..5508993a820e
--- /dev/null
+++ b/drivers/uwb/pal.c
@@ -0,0 +1,71 @@
+/*
+ * UWB PAL support.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+/**
+ * uwb_pal_init - initialize a UWB PAL
+ * @pal: the PAL to initialize
+ */
+void uwb_pal_init(struct uwb_pal *pal)
+{
+ INIT_LIST_HEAD(&pal->node);
+}
+EXPORT_SYMBOL_GPL(uwb_pal_init);
+
+/**
+ * uwb_pal_register - register a UWB PAL
+ * @rc: the radio controller the PAL will be using
+ * @pal: the PAL
+ *
+ * The PAL must be initialized with uwb_pal_init().
+ */
+int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
+{
+ spin_lock(&rc->pal_lock);
+ list_add(&pal->node, &rc->pals);
+ spin_unlock(&rc->pal_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_pal_register);
+
+/**
+ * uwb_pal_register - unregister a UWB PAL
+ * @rc: the radio controller the PAL was using
+ * @pal: the PAL
+ */
+void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
+{
+ spin_lock(&rc->pal_lock);
+ list_del(&pal->node);
+ spin_unlock(&rc->pal_lock);
+}
+EXPORT_SYMBOL_GPL(uwb_pal_unregister);
+
+/**
+ * uwb_rc_pal_init - initialize the PAL related parts of a radio controller
+ * @rc: the radio controller
+ */
+void uwb_rc_pal_init(struct uwb_rc *rc)
+{
+ spin_lock_init(&rc->pal_lock);
+ INIT_LIST_HEAD(&rc->pals);
+}

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